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<a href="_n_e_asymm_8inl.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2017 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;{</div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="namespacearm__compute.xhtml#a5e28a3911204ac952601f512c82b48f1">   26</a></span>&#160;<span class="keyword">inline</span> int32x4_t <a class="code" href="namespacearm__compute.xhtml#a5e28a3911204ac952601f512c82b48f1">rounding_divide_by_pow2</a>(int32x4_t x, <span class="keywordtype">int</span> exponent)</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;{</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <span class="keyword">const</span> int32x4_t shift_vec  = vdupq_n_s32(-exponent);</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <span class="keyword">const</span> int32x4_t fixup      = vshrq_n_s32(vandq_s32(x, shift_vec), 31);</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keyword">const</span> int32x4_t fixed_up_x = vqaddq_s32(x, fixup);</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    <span class="keywordflow">return</span> vrshlq_s32(fixed_up_x, shift_vec);</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;}</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="namespacearm__compute.xhtml#aba8de9eaa10a7cb45c5aa603585d0e4c">   34</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="namespacearm__compute.xhtml#ac7e1832b8c58f07a98fc8d390b16ac27">qasymm8x16_t</a> <a class="code" href="namespacearm__compute.xhtml#aba8de9eaa10a7cb45c5aa603585d0e4c">vmlaq_qasymm8</a>(<a class="code" href="namespacearm__compute.xhtml#ac7e1832b8c58f07a98fc8d390b16ac27">qasymm8x16_t</a> vd, float32x4_t vs, float32x4_t vo)</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;{</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <span class="comment">// Convert uint8 vectors to uint16 vectors</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keyword">const</span> uint8x8_t vd_low        = vget_low_u8(vd);</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keyword">const</span> uint8x8_t vd_high       = vget_high_u8(vd);</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    uint16x8_t      vd_low_u16x8  = vmovl_u8(vd_low);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    uint16x8_t      vd_high_u16x8 = vmovl_u8(vd_high);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="comment">// Convert uint16 vectors to uint32 vectors</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    uint32x4_t A_u32x4 = vmovl_u16(vget_low_u16(vd_low_u16x8));</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    uint32x4_t B_u32x4 = vmovl_u16(vget_high_u16(vd_low_u16x8));</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    uint32x4_t C_u32x4 = vmovl_u16(vget_low_u16(vd_high_u16x8));</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    uint32x4_t D_u32x4 = vmovl_u16(vget_high_u16(vd_high_u16x8));</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="comment">// Convert uint32 vectors to float32 vectors</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    float32x4_t A_f32x4 = vcvtq_f32_u32(A_u32x4);</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    float32x4_t B_f32x4 = vcvtq_f32_u32(B_u32x4);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    float32x4_t C_f32x4 = vcvtq_f32_u32(C_u32x4);</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    float32x4_t D_f32x4 = vcvtq_f32_u32(D_u32x4);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="comment">// vd = vd*vs + vo</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    A_f32x4 = vmlaq_f32(vo, A_f32x4, vs);</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    B_f32x4 = vmlaq_f32(vo, B_f32x4, vs);</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    C_f32x4 = vmlaq_f32(vo, C_f32x4, vs);</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    D_f32x4 = vmlaq_f32(vo, D_f32x4, vs);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="comment">// Convert float32 vectors to uint32 vectors</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    A_u32x4 = vcvtq_u32_f32(A_f32x4);</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    B_u32x4 = vcvtq_u32_f32(B_f32x4);</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    C_u32x4 = vcvtq_u32_f32(C_f32x4);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    D_u32x4 = vcvtq_u32_f32(D_f32x4);</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="comment">// Convert uint32 vectors to uint16 vectors (with saturation)</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    vd_low_u16x8  = vcombine_u16(vqmovn_u32(A_u32x4), vqmovn_u32(B_u32x4));</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    vd_high_u16x8 = vcombine_u16(vqmovn_u32(C_u32x4), vqmovn_u32(D_u32x4));</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="comment">// convert uint16 vectors to uint8 vectors (with saturation)</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keywordflow">return</span> vcombine_u8(vqmovn_u16(vd_low_u16x8), vqmovn_u16(vd_high_u16x8));</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;} <span class="comment">// namespace arm_compute</span></div><div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">This file contains all available output stages for GEMMLowp on OpenCL. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00001">00_introduction.dox:1</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_aba8de9eaa10a7cb45c5aa603585d0e4c"><div class="ttname"><a href="namespacearm__compute.xhtml#aba8de9eaa10a7cb45c5aa603585d0e4c">arm_compute::vmlaq_qasymm8</a></div><div class="ttdeci">uint8x16_t vmlaq_qasymm8(qasymm8x16_t vd, float32x4_t vs, float32x4_t vo)</div><div class="ttdoc">Perform a multiply-accumulate on all 16 components of a QASYMM8 vector. </div><div class="ttdef"><b>Definition:</b> <a href="_n_e_asymm_8inl_source.xhtml#l00034">NEAsymm.inl:34</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a5e28a3911204ac952601f512c82b48f1"><div class="ttname"><a href="namespacearm__compute.xhtml#a5e28a3911204ac952601f512c82b48f1">arm_compute::rounding_divide_by_pow2</a></div><div class="ttdeci">int32x4_t rounding_divide_by_pow2(int32x4_t x, int exponent)</div><div class="ttdoc">Round to the nearest division by a power-of-two using exponent. </div><div class="ttdef"><b>Definition:</b> <a href="_n_e_asymm_8inl_source.xhtml#l00026">NEAsymm.inl:26</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ac7e1832b8c58f07a98fc8d390b16ac27"><div class="ttname"><a href="namespacearm__compute.xhtml#ac7e1832b8c58f07a98fc8d390b16ac27">arm_compute::qasymm8x16_t</a></div><div class="ttdeci">uint8x16_t qasymm8x16_t</div><div class="ttdoc">8 bit quantized asymmetric vector with 16 elements </div><div class="ttdef"><b>Definition:</b> <a href="_n_e_asymm_8h_source.xhtml#l00035">NEAsymm.h:35</a></div></div>
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